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https://issues.apache.org/jira/browse/CASSANDRA-21351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Konstantinov updated CASSANDRA-21351:
--------------------------------------------
Description:
Minor reduction of memory allocations in miscellaneous places of
SelectStatement.getQuery:
* SinglePartitionReadCommand.Group#create - typical single partition select,
use singletonList instead of ArrayList + Object[], 0.11%
* SelectStatement#getSliceCommands - remove unnessesary cloning of partition
key, 0.43%
* SelectStatement#getSliceCommands - typical single partition select, use
singletonList instead of ArrayList + Object[], 0.11%
* SinglePartitionReadQuery.Group#maybeValidateIndex, iterators for
restrictioSet, 0.31%
Total: 0.96%
was:
Minor reduction of memory allocations in miscellaneous places of
SelectStatement.getQuery:
* SinglePartitionReadCommand.Group#create - typical single partition select,
use singletonList instead of ArrayList + Object[], 0.11%
* SelectStatement#getSliceCommands - remove unnessesary cloning of partition
key, 0.43%
* SelectStatement#getSliceCommands - typical single partition select, use
singletonList instead of ArrayList + Object[], 0.11%
* SinglePartitionReadQuery.Group#maybeValidateIndex, iterators for
restrictioSet, 0.31%
Total: 0.96%
to be continued
> Reduce memory allocations in SelectStatement.getQuery
> -----------------------------------------------------
>
> Key: CASSANDRA-21351
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21351
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Consistency/Coordination
> Reporter: Dmitry Konstantinov
> Assignee: Dmitry Konstantinov
> Priority: Normal
> Fix For: 6.x, 7.x
>
> Attachments: CASSANDRA-21351-6.0_ci_summary.htm,
> CASSANDRA-21351-trunk_ci_summary.htm
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> Minor reduction of memory allocations in miscellaneous places of
> SelectStatement.getQuery:
> * SinglePartitionReadCommand.Group#create - typical single partition select,
> use singletonList instead of ArrayList + Object[], 0.11%
> * SelectStatement#getSliceCommands - remove unnessesary cloning of partition
> key, 0.43%
> * SelectStatement#getSliceCommands - typical single partition select, use
> singletonList instead of ArrayList + Object[], 0.11%
> * SinglePartitionReadQuery.Group#maybeValidateIndex, iterators for
> restrictioSet, 0.31%
> Total: 0.96%
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